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[T] "package was not signed correctly" when downloading an app of mine

OP nemuro

13th February 2014, 06:50 AM   |  #1  
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Hello,

I've uploaded my first apk to Google Play, made with processing 2.03.
I used this guide to sign: http://www.akeric.com/blog/?p=1352
After a few hours, when the app was visible, when trying to install, I get the "package was not signed correctly".
I'v tried it on another device rather than the one used for testing and I have the same issue.

1. is there a way to test apk's faster? It could take up to 12-24 hours for the new apk to be updated on Google Play, and that's what I have to wait to see if I now signed my apk correctly.
2. can you download the app and see if you get that issue?
3. does it matter what information you input when you create the release key using jdk? I mean, does google check against information you use in your Google Play publisher's account and then gives that error?
4. is there an alternate way of signing my apk? obviously this manual method is no good for a noob.

I am using win 7 64 bit, latest jdk7 at the time of writing, latest android sdk with just api level 10 installed, latest version of apache ant (installed manually).
13th February 2014, 12:20 PM   |  #2  
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here's the fix
To anyone having this issue, STOP USING JDK 7 and install JDK 6.
Not only JDK7 outputs some warnings when you sign your apk that "the internets" say they're safe and should work anyway, but they will generate badly signed apks that malfunction when you try to install off google play saying the "package was not signed correctly".
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ant, apk, jdk, processing, signing
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